Atomera ATOM Institutional Ownership

NASDAQ ATOM

$4.78 -0.01 (-0.21%)

At close: Aug 21, 2026 · 4:00 PM EDT

Institutions by Trading Activity

106 Institutions

Increased 67 63.2%

Unchanged 20 18.9%

Reduced 19 17.9%

Ownership Statistics

13F · as of 31 Mar, 2026

Institutional Ownership

45.66%

▲+11.21 pp QoQ

Shares Held by Institutions

16.10Mn

of 35.26Mn outstanding

▲+89.07% QoQ

Shares Outstanding

35.26Mn

19.16Mn held outside 13F filers

Institutional Investors

106

filed 13F for Mar 2026

▲+12 vs prior quarter

Net Shares Added (QoQ)

+7.58Mn

accumulated since last quarter

Value of Holdings

$79.19Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 31 Mar, 2026

Atomera Inc (NASDAQ:ATOM) has 106 institutional investors that have filed 13F reports for the period ending March 2026.

These investors held 45.7% of outstanding shares in March 2026, up from 34.4% in December 2025.
Their total shares held in ATOM increased 89.07% quarter over quarter, and separately, investors owning Atomera increased 29.27% from a year ago.
During the quarter, 67 of these 106 funds increased positions in ATOM, 19 reduced exposure, and 20 held steady.
Altogether, these fund groups held 16.1Mn shares in ATOM by March 2026, up by 7.58Mn shares quarter on quarter, and up 6.44Mn shares year over year.
BlackRock, Inc. leads ownership in ATOM with 2.37Mn shares as of March 31, 2026, equal to 6.73% of outstanding shares.
The largest buyers of Atomera for the quarter ending March 2026 were VANGUARD CAPITAL MANAGEMENT LLC (1.29Mn), CITADEL ADVISORS LLC (970.69K), Baird Financial Group, Inc. (965.56K), D. E. Shaw & Co., Inc. (917.13K), AVENIR CORP (847.03K).
The biggest sellers of Atomera for the quarter ending March 2026 included NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO (168.16K), Goldman Sachs Group Inc (79.83K), SUSQUEHANNA INTERNATIONAL GROUP, LLP (48.35K), Barclays Plc (41.57K), Wells Fargo & Company/Mn (22.06K).
Per Business Quant data, the top 10 holders of Atomera for the quarter ending March 2026 are BlackRock, Inc. (2.37Mn), AVENIR CORP (1.46Mn), VANGUARD CAPITAL MANAGEMENT LLC (1.29Mn), Baird Financial Group, Inc. (1.28Mn), CITADEL ADVISORS LLC (1.05Mn), D. E. Shaw & Co., Inc. (975.62K), GEODE CAPITAL MANAGEMENT, LLC (769.7K), Quantum Private Wealth, LLC (598.31K), HOLLENCREST CAPITAL MANAGEMENT (597.2K), State Street Corp (577.9K).

Form 13F Holdings

106 Institutional Holders

Report period 31 Mar, 2026

Total shares held 16.10Mn

Of outstanding 45.66%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	2,372,844	6.73%	▲399,668	+20.26%	$9.04Mn
2	AVENIR CORP	0001033475	1,461,415	4.15%	▲847,030	+137.87%	$5.57Mn
3	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	1,288,161	3.65%	▲1,288,161	0.00%	$4.91Mn
4	Baird Financial Group, Inc.	0001648711	1,277,680	3.62%	▲965,560	+309.36%	$4.87Mn
5	CITADEL ADVISORS LLC	0001423053	1,049,979	2.98%	▲970,686	+1,224.18%	$4.00Mn
6	D. E. Shaw & Co., Inc.	0001009207	975,623	2.77%	▲917,129	+1,567.90%	$3.72Mn
7	GEODE CAPITAL MANAGEMENT, LLC	0001214717	769,697	2.18%	▲28,712	+3.87%	$2.93Mn
8	Quantum Private Wealth, LLC	0001929662	598,309	1.70%	▼538	-0.09%	$2.28Mn
9	HOLLENCREST CAPITAL MANAGEMENT	0001161722	597,199	1.69%	▼9,347	-1.54%	$2.28Mn
10	State Street Corp	0000093751	577,897	1.64%	▲88,750	+18.14%	$2.20Mn
11	TWO SIGMA INVESTMENTS, LP	0001179392	530,000	1.50%	▲348,672	+192.29%	$2.02Mn
12	Arosa Capital Management LP	0001596053	490,000	1.39%	▲490,000	0.00%	$1.87Mn
13	MARSHALL WACE, LLP	0001318757	488,675	1.39%	▲309,399	+172.58%	$1.86Mn
14	Northern Trust Corp	0000073124	288,680	0.82%	▲12,552	+4.55%	$1.10Mn
15	Morgan Stanley	0000895421	271,602	0.77%	▲100,601	+58.83%	$1.03Mn
16	Pathstone Holdings, LLC	0002011612	250,905	0.71%	▲83,000	+49.43%	$955.95K
17	VANGUARD FIDUCIARY TRUST CO	0000933478	216,392	0.61%	▲216,392	0.00%	$824.45K
18	Goldman Sachs Group Inc	0000886982	197,693	0.56%	▼79,829	-28.76%	$753.21K
19	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	178,970	0.51%	▲178,970	0.00%	$681.88K
20	Sargent Investment Group, LLC	0001766157	175,900	0.50%	▲9,850	+5.93%	$670.18K

Showing 1 to 20 of 106 holders